Move solution and projects to src

src/Ryujinx.Audio/Renderer/Dsp/Command/UpsampleCommand.cs

@@ -0,0 +1,70 @@
+using Ryujinx.Audio.Renderer.Server.Upsampler;
+using System;
+
+namespace Ryujinx.Audio.Renderer.Dsp.Command
+{
+    public class UpsampleCommand : ICommand
+    {
+        public bool Enabled { get; set; }
+
+        public int NodeId { get; }
+
+        public CommandType CommandType => CommandType.Upsample;
+
+        public uint EstimatedProcessingTime { get; set; }
+
+        public uint BufferCount { get; }
+        public uint InputBufferIndex { get; }
+        public uint InputSampleCount { get; }
+        public uint InputSampleRate { get; }
+
+        public UpsamplerState UpsamplerInfo { get; }
+
+        public Memory<float> OutBuffer { get; }
+
+        public UpsampleCommand(uint bufferOffset, UpsamplerState info, uint inputCount, Span<byte> inputBufferOffset, uint bufferCount, uint sampleCount, uint sampleRate, int nodeId)
+        {
+            Enabled = true;
+            NodeId = nodeId;
+
+            InputBufferIndex = 0;
+            OutBuffer = info.OutputBuffer;
+            BufferCount = bufferCount;
+            InputSampleCount = sampleCount;
+            InputSampleRate = sampleRate;
+            info.SourceSampleCount = inputCount;
+            info.InputBufferIndices = new ushort[inputCount];
+
+            for (int i = 0; i < inputCount; i++)
+            {
+                info.InputBufferIndices[i] = (ushort)(bufferOffset + inputBufferOffset[i]);
+            }
+
+            if (info.BufferStates?.Length != (int)inputCount)
+            {
+                // Keep state if possible.
+                info.BufferStates = new UpsamplerBufferState[(int)inputCount];
+            }
+
+            UpsamplerInfo = info;
+        }
+
+        private Span<float> GetBuffer(int index, int sampleCount)
+        {
+            return UpsamplerInfo.OutputBuffer.Span.Slice(index * sampleCount, sampleCount);
+        }
+
+        public void Process(CommandList context)
+        {
+            uint bufferCount = Math.Min(BufferCount, UpsamplerInfo.SourceSampleCount);
+
+            for (int i = 0; i < bufferCount; i++)
+            {
+                Span<float> inputBuffer = context.GetBuffer(UpsamplerInfo.InputBufferIndices[i]);
+                Span<float> outputBuffer = GetBuffer(UpsamplerInfo.InputBufferIndices[i], (int)UpsamplerInfo.SampleCount);
+
+                UpsamplerHelper.Upsample(outputBuffer, inputBuffer, (int)UpsamplerInfo.SampleCount, (int)InputSampleCount, ref UpsamplerInfo.BufferStates[i]);
+            }
+        }
+    }
+}